var physics = owner.get(PhysicsBody);
        var world : World = physics.box2d.world;
        var body = physics.body;
        var ballPosition : Vec2 = body.getPosition();
        var gravity : Float = -body.getGravityScale() * world.getGravity().y;
        var maxHeight = targetPos.y - 2;

        var displacement : Vec2 = new Vec2(targetPos.x - ballPosition.x, targetPos.y - ballPosition.y);
        var time : Float = Math.sqrt( -2 * maxHeight / gravity) + Math.sqrt(2 * (displacement.y - maxHeight) / gravity);
        var velocityY : Float = Math.sqrt( -2 * gravity * maxHeight);
        var velocityX : Float = displacement.x / time;
        var initialVelocity : Vec2 = new Vec2(velocityX, -velocityY);